Meaning different. Homer: "who hides one thing in his mind, and says another."[1] It is used also instead of "someone". "Whenever some other...."[2]
Also [sc. attested is] a)/llws te, ["one way or another"] meaning especially.
And elsewhere: "you will bear lambs, one white, another dark, for Ge and Helios: for Zeus we will bring another."[3]
In [sc. correct] Greek, in the case of two things, one is distinguished from the other with e(/teron; for the third, one says a)/llo.